Calculate the molality of acetone in an aqueous solution with a mole fraction for acetone of 0.241. Answer in units of m.
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Ответ:
The molality of solution is 17.6 mole/kg
Explanation:
Molality of a solution is defined as the number of moles of solute dissolved per kg of the solvent.
where,
n = moles of solute
moles of acetone (solute) = 0.241
moles of water (solvent )= (1-0.241) = 0.759
mass of water (solvent )=![moles\times {\text {Molar Mass}}=0.759\times 18=13.7g=0.0137kg](/tpl/images/0506/1678/e3e9f.png)
Now put all the given values in the formula of molality, we get
Therefore, the molality of solution is 17.6 mole/kg
Ответ:
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Explanation: